0
Helium atom has 2 protons and 2 neutrons (that accounts for its atomic weight). The atomic weight of helium is 4.00260
Wiki User
∙ 10y ago
Wiki User
∙ 11y ago4.002602 g/mol
Add your answer:
Earn +20 pts
Is a lead atom heavier than a helium atom?
Yes; helium has an atomic weight of 4.00260, and lead has an atomic weight of 207.2.
How many electrons does an atom of helium have atomic?
Helium atom has 2 electrons.
What is the helium weight?
Helium's atomic weight = 4 amu
What atom has an atomic number 2?
Helium has the atomic number 2 and is the second most abundant substance in the universe.
What is the mass of a single atom of helium?
The atomic mass of Helium is 4.002602. The atomic mass is the combined number of protons and neutrons in the atom.
Is a lead atom heavier than a helium atom?
Yes; helium has an atomic weight of 4.00260, and lead has an atomic weight of 207.2.
How can you figure out the number of neutrons in an atom?
You subtract the atomic number from the atomic weight. For example, if you have a helium atom and its atomic weight is 4 and you subtract its atomic number (2) the number of neutrons in the helium atom is 2.
How can you figure the numbers of neutrons in an atom?
You subtract the atomic number from the atomic weight. For example, if you have a helium atom and its atomic weight is 4 and you subtract its atomic number (2) the number of neutrons in the helium atom is 2.
How many electrons does an atom of helium have atomic?
Helium atom has 2 electrons.
What does the number 2 and 4003 mean of helium?
Helium has atomic number 2. That means the helium atom has 2 protons and two electrons. The standard atomic weight of helium is 4.002602, or 4.003 rounded to 3 decimal places.
What is the helium weight?
Helium's atomic weight = 4 amu
What is atomic weight of helium?
4.002602 g/mol
What is the atomic mass for an atom of helium?
4.0026 amu
What that atom has 1 neutron(s) and 2 proton(s). What is its atomic number?
This isotope of helium is helium-3; the atomic number of helium is 2.
What atom has an atomic number 2?
Helium has the atomic number 2 and is the second most abundant substance in the universe.
Do helium or argon gases move faster?
At the same temperature, helium gas will move faster due to its lower atomic weight. Helium has an atomic weight of 4g/ mol, while argon has an atomic weight of 39.95g/ mol.
What is the mass of a single atom of helium?
The atomic mass of Helium is 4.002602. The atomic mass is the combined number of protons and neutrons in the atom.
